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True [87]
3 years ago
15

Describe a real word world problem you could solve using a proportion​

Mathematics
1 answer:
katen-ka-za [31]3 years ago
5 0

Answer:

if dad used 6 gallons every week then what will he use for 7 weeks?

Step-by-step explanation:

6 muliplied by 7 = answer :)

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The water table _____.
Dmitrij [34]

Answer:

the answer would be number 3 or 1 :) if I am correct

8 0
3 years ago
Read 2 more answers
What is the lateral area of the cone?
ale4655 [162]
The diameter of the base of the cone is 6 units, thus the radius of it is 3 then.

\bf \textit{lateral area of a cone}\\\\
LA=\pi r\sqrt{r^2+h^2}~~
\begin{cases}
r=3\\
h=5
\end{cases}\implies LA=\pi (3)\sqrt{3^2+5^2}
\\\\\\
LA=3\pi \sqrt{34}
5 0
4 years ago
la un joc pe calculator, trei copii au castigat inpreuna 780 de puncte. Al doilea copil a castigat de 3 ori mai multe puncte dec
ratelena [41]

Answer:

The number of points won by the first child was 37 points

The number of points won by the second child was 119 points

The number of points won by the third child was 624 points

Step-by-step explanation:

<u><em>The question in English is</em></u>

In a computer game, three children won together 780 points. The second child gained 3 times more points than the first and 8 more points, the third child gained four times more points than the first two in one place. How many points did each child earn

Let

x ----> number of points won by the first child

y ----> number of points won by the second child

z ----> number of points won by the third child

we know that

three children won together 780 points

so

x+y+z=780 ----> equation A

The second child gained 3 times more points than the first and 8 more points

y=3x+8 ----> equation B

the third child gained four times more points than the first two in one place

z=4(x+y) ----> equation C

Solve the system by substitution

step 1

substitute equation B in equation C

z=4(x+3x+8)

z=16x+32 ----> equation D

step 2

substitute equation D and equation B in equation A

x+(3x+8)+(16x+32)=780

step 3

solve for x

20x+40=780\\20x=740\\x=37

step 4

Find the value of y

y=3(37)+8=119

step 5

Find the value of z

z=16(37)+32=624

therefore

The number of points won by the first child was 37 points

The number of points won by the second child was 119 points

The number of points won by the third child was 624 points

4 0
4 years ago
Can anyone solve these 3 problems it is worth 25 points
shusha [124]
Where are the problems?
7 0
4 years ago
Help with this math equation please help
Alex787 [66]

Answer:

i. Girls : 10 merits

ii. Boys : 11.4 merits

iii. The boys did better on average because the number of their mean merits received is higher than that girls.

Step-by-step explanation:

Mean = \frac{sum of merits}{number of merits}

Sum of merits received by boys = 5 + 10 + 19 + 22 + 13 + 10 + 1

                                    = 80

number of merits = 7

Mean number of merits received by boys = \frac{80}{7}

                                           = 11.4286

The mean number of merits received by boys is 11.4

Sum of merits received by girls = 6 + 11 + 15 + 16 + 12 + 10 + 0

                                                 = 70

number of merits = 7

Mean number of merits received by girls = \frac{70}{7}

                                             = 10.0

The mean number of merits received by girls is 10.0

Therefore,

i. Girls : 10 merits

ii. Boys : 11.4 merits

iii. The boys did better on average because their mean merits is higher than that girls.

4 0
3 years ago
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